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Drug interactions

Leflunomide + Piroxicam

Severity: Minor

Leflunomide and Piroxicam: minor interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Leflunomide's active metabolite may slightly increase exposure to piroxicam. Both drugs can also cause hepatic and gastrointestinal effects, so additive adverse effects are possible.

What this interaction means in plain words

Leflunomide and Piroxicam have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Leflunomide belongs to Musculoskeletal; Piroxicam belongs to Musculoskeletal.

Evidence level: Low

Why it happens

Teriflunomide, the active metabolite of leflunomide, may inhibit CYP2C9, which metabolizes piroxicam.

What to do

No dose change is usually required. Monitor liver enzymes as routinely done for leflunomide and watch for NSAID gastrointestinal effects.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Leflunomide with Piroxicam?

MediHelp rates the interaction as minor. Leflunomide and Piroxicam have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Leflunomide's active metabolite may slightly increase exposure to piroxicam. Both drugs can also cause hepatic and gastrointestinal effects, so additive adverse effects are possible.

How serious is the interaction between Leflunomide and Piroxicam?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose change is usually required. Monitor liver enzymes as routinely done for leflunomide and watch for NSAID gastrointestinal effects.

What other medicines interact with Piroxicam?

MediHelp also lists interactions of Piroxicam with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Piroxicam page.

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